1N5352CE3/TR12

Overview

The Microchip Technology 1N5352CE3/TR12 is a silicon 5.0-watt Zener diode from the JEDEC registered 1N5333-5388B series, manufactured by Microsemi. It provides voltage regulation at a nominal Zener voltage of 15 V with a tight tolerance of ±2%, indicated by the 'C' suffix. The device operates in a T-18 axial-lead package and supports tape-and-reel packaging via the 'TR12' suffix. Electrical characteristics include a test current of 75 mA, a maximum dynamic impedance of 2.5 Ohms, and a maximum reverse leakage current of 75 µA.

Feature Summary

• Provides stable voltage regulation across a broad operating current and temperature range
• Features low thermal resistance design allowing operation at high maximum DC currents with adequate heat sinking
• Withstands high surge stresses and exhibits minimal changes in voltage versus current
• Constructed with a void-free transfer molded thermosetting epoxy body meeting UL94V-0 standards

Applications

• Voltage reference circuits requiring precise regulation
• Power supply protection against overvoltage conditions
• Clamping applications for transient voltage suppression

Procurement Notes

Verify component authenticity through authorized distribution channels to ensure compliance with RoHS directives and JEDEC registration standards. Confirm that the specific ordering suffix matches the required tolerance and packaging configuration. Review the manufacturer's discontinuance notifications or product change notices prior to procurement, as availability may be subject to lifecycle status updates.

Selection Notes

Select this component when a 15 V regulated output with ±2% precision is required in a 5 W power dissipation class. Ensure the application allows for sufficient heat sinking to maintain junction temperatures within the -65°C to +150°C operating range. Verify that the axial-lead T-18 package fits the mechanical constraints of the printed circuit board layout.

Part Context

This part belongs to the 1N5333B through 1N5388B series of silicon Zener diodes originally developed by Microsemi. The series covers a wide voltage selection from 3.3 V to 200 V. The 'e3' suffix indicates RoHS compliance, while the 'TR12' suffix specifies tape-and-reel packaging. The component represents a standard industrial-grade discrete semiconductor solution for power management.

Replacement Considerations

Consult the official datasheet for surface mount equivalents such as SMBJ5352C or SMBG5352C. Verify that any substitute maintains the 15 V Zener voltage, ±2% tolerance, and 5 W power rating. Ensure the replacement package type is compatible with the existing assembly process.